<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    *{
      margin: 0;
      padding: 0;
    }
    p{
      font-size:14px;
    }
    .container {
      height: 400px;
      width: 700px;
      border:1px solid #eee;
      border-radius: 8px;
      margin: 50px auto;
      position: relative;
    }
    .img{
      position: absolute;
      bottom:0;
      height: 100px;
      width: 100px;
    }
    .main{
      height: 75%;
      width: 100%;
      display: flex;
    }
    .left-main{
      width:40%;
      height: 100%;
    }
    .center-left-main{
      height: 100%;
      width:70%;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      margin-left: 20%;
    }
    h1{
      text-decoration: none;
      font-size:18px;
      font-weight: 500;
      color: #505050;
      margin-top: 12px;
    }
    .QRcode{
      margin:20px 0;
      border:1px solid #eee;
      border-radius: 8px;
      padding: 3px;
      position: relative;
    }
    .refresh{
      height: 30px;
      width: 30px;
      position:absolute;
      background-color: #fff;
      border-radius: 50%;
      padding: 10px;
      top:40px;
      right:60px;
      opacity: 0;
    }
    .right-main{
      width:60%;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    .tab{
      height: 20%;
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .tab-left{
      padding-right: 20px;
      border-right: 1px solid #eee;
      font-size:18px;
      color:#00a1d6;
      cursor: not-allowed; 
    }
    .tab-right{
      padding-left:20px;
       font-size:18px;
       cursor: pointer;
    }
    .center-right-main{
      height: 80%;
      width: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      border-left:1px solid #eee;
    }
    .input-context{
      width:80%;
      border: 1px solid #eee;
      border-radius: 8px;
    }
    .input{
      display: flex;
    }
    .input p{
      font-size:16px;
      padding: 10px; 
    }
    .input a{
     margin-top:10px
    }
    input{
      outline: none; 
      border: none;
      background: transparent;
      font-size:16px;
    }
    .btn{
      width: 80%;
      height: 17%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin: 20px 0;
    }
    .btn-item{
      width: 45%;
      height:100%;
      border-radius: 8px;
      background:transparent;
      border:1px solid #eee;
      cursor: pointer;
    }
    .imgs{
      width: 70%;
      height: 20%;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .imgs img{
      width: 30px;
      height: 30px;
    }
    .imgs span{
      color: #9499a0;
      font-size:13px;
    }
    .text{
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      font-size:12px;
      line-height: 1.5;
    }
    .footer {
      height: 25%;
      width: 100%;
      color:#999;
    }
    a{
      text-decoration: none;
      color: #00a1d6;
    }
  </style>
</head>
<body>
  <div class="container">
    <div class="main">
      <div class="left-main">
        <div class="center-left-main">
          <h1>扫描二维码登录</h1>
          <div class="QRcode">
            <img src="./img/下载.png" alt="">
               <img src="./img/刷新.png" alt="" class="refresh">
          </div>
          <div class="text">
            <p>请使用<a href="https://app.bilibili.com/?spm_id_from=333.1007.0.0">哔哩哔哩客户端</a></p>
            <p>扫码登录或扫码下载APP</p>
          </div>
        </div>
      </div>
      <div class="right-main">
        <div class="tab">
          <p class="tab-left">密码登录</p>
          <p class="tab-right">短信登录</p>
        </div>
        <div class="center-right-main">
          <div class="input-context">
            <div class="input" style="border-bottom: 1px solid #eee;">
              <p>账号</p>
              <input type="text" placeholder="请输入账号">
            </div>
          <div class="input">
              <p>密码</p>
              <input type="text" placeholder="请输入密码">
              <a>忘记密码?</a>
          </div>
          </div>
          <div class="btn">
            <button class="btn-item">注册</button>
            <button class="btn-item" style="background-color: #00a1d6; color: #fff; opacity: 0.4;">登录</button>
          </div>
          <p style="color: #9499a0;">其他登录方式</p>
          <div class="imgs">
            <img src="./img/微信.png" alt=""><span>微信登录</span>
            <img src="./img/微博.png" alt=""><span>微博登录</span>
            <img src="./img/QQ.png" alt=""><span>QQ登录</span>
          </div>
        </div>
      </div>
    </div>
    <div class="footer text">
      <p> 未注册过哔哩哔哩的手机号，我们将自动帮你注册账号 </p>
      <p> 登录或完成注册即代表你同意 <a href="https://www.bilibili.com/protocal/licence.html">用户协议</a>和<a href="https://www.bilibili.com/blackboard/privacy-pc.html">隐私条款</a> </p>
    </div>
    <img src="./img/left-mr.png" alt="" class="img">
    <img src="./img/rigt-mr.png" alt="" class="img" style="right: 0;">
  </div>
</body>
<script>
  const QR=document.querySelector('.QRcode img');
  const refresh=document.querySelector('.refresh');
  const textArr=document.querySelectorAll('.input p');
  const inputArr=document.querySelectorAll('.input input');
  const aPassword=document.querySelector('.input a');
  const tabRight=document.querySelector('.tab-right');
  const tabLeft=document.querySelector('.tab-left');
  const btn=document.querySelector('.btn');
  const btnArr=document.querySelectorAll('.btn-item');
  const opacityTimer=()=>{
      setTimeout(() => {
        QR.style.opacity=0.1;
        refresh.style.opacity=1;
      },10000);
  }
  opacityTimer();
  refresh.addEventListener('click',()=>{
    QR.style.opacity=1;
    refresh.style.opacity=0;
    opacityTimer();
  })
  const tabClick=()=>()=>{
    tabLeft.style.color="#000"
    tabRight.style.color="#00a1d6"
    tabLeft.style.cursor="pointer";
    tabRight.style.cursor="not-allowed";
    inputArr[0].placeholder="请输入手机号";
    inputArr[1].placeholder="请输入验证码";
    textArr[0].textContent="手机号";
    textArr[1].textContent="验证码";
    aPassword.textContent="";
    btn.style.justifyContent="center";
    btnArr[0].style.display="none";
    btnArr[1].textContent="登录/注册"
    btnArr[1].style.opacity="1";

  }
  tabRight.addEventListener('click',tabClick())
  btnArr[0].addEventListener('click',tabClick())
  tabLeft.addEventListener('click',()=>{
    tabLeft.style.color="#00a1d6"
    tabRight.style.color="#000"
    tabLeft.style.cursor="not-allowed";
    tabRight.style.cursor="pointer";
    inputArr[0].placeholder="请输入账号";
    inputArr[1].placeholder="请输入密码";
    textArr[0].textContent="账号";
    textArr[1].textContent="密码";
    aPassword.textContent="忘记密码";
    btn.style.justifyContent="space-between";
    btnArr[0].style.display="inline-block";
    btnArr[1].textContent="登录"
    btnArr[1].style.opacity="0.4";
  })
  </script>
  </html>